$OpenBSD: patch-ui_gfx_font_fallback_linux_cc,v 1.3 2017/04/19 05:16:47 robert Exp $
--- ui/gfx/font_fallback_linux.cc.orig.port	Thu May 26 09:46:11 2016
+++ ui/gfx/font_fallback_linux.cc	Thu May 26 09:57:44 2016
@@ -15,6 +15,8 @@
 #include "base/memory/ptr_util.h"
 #include "ui/gfx/font.h"
 
+#include <unistd.h>
+
 namespace gfx {
 
 namespace {
